sanjay gupta reporting. >> at 18, alexis was the youngest contestant in this year's pageant. she didn't win, but finished in the top 16. >> the ban on assault weapons struck a nerve with many lawmakers and law men. >> ban every firearm out there. it's not going to fix it. >> a sheriff refuses to enforce it. hey! did you know that honey nut cheerios has oats that can help lower cholesterol? and it tastes good? sure does! wow. it's the honey, it makes it taste so... well, would you look at the time... what's the rush? be happy. be healthy. >>> there is a lot of talk about the president's push to reduce gun violence. we heard from joe biden who did the leg work for the guns package that rolled out yesterday. here he is speaking moments ago at the conference of mayors about denying gun sales with a swath of trouble makers. >> time and experience has demonstrated we should take a close look at the list to see if it fits the needs of society at the moment. it's part of our recommendations to the president and it suggested that the attorney general study that question. for example,